The implantable super-long-term electrocardiographic recording and analyzing system realizes collection and data storage of implantable super-long-term continuous single-channel experimental animal ECG. The system is started and shut down by magnetically controlled switch. On/off status is identified by buzzer. Computer and software is used to play back the stored ECG information as well as analyze, display and print the data. The entire system includes the implanted recorder, the workstation (computer) and the system playback & analysis software.